Meaning & use

benign

adjective·Academic

Gentle, kindly, and not harmful, or, in medicine, not cancerous and unlikely to cause serious harm.

See it in a sentence

Despite his gruff appearance, he had a benign and generous nature.

The doctor was relieved to confirm that the tumor was benign.

A note on using this word

In medical contexts, benign is the direct opposite of 'malignant', which describes a tumor that is cancerous and can spread.

Words with a similar meaning

harmlessgentle

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

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